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Posted by on June 16, 2006, 2:35 am
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If you create a VOIP session using SIP, will it continue to use more
bandwidth than H323?
How much more will it use with g.711 ulaw?
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Posted by Eckhart Wittstock on June 16, 2006, 3:42 am
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- data(RTP) and signaling (SIP or H.323) are different things, the data
stream will generate most of the traffic no matter if you use h323 or sip
- traffic generated depends mostly on codec and length of speech samples
on the IP Layer with g.711 and 20ms of speech you get about 80 KBit/s
(160Byte date + 40 Byte Headers @ 50 packets/s)
bob@coolgroups.com schrieb:
> If you create a VOIP session using SIP, will it continue to use more
> bandwidth than H323?
>
> How much more will it use with g.711 ulaw?
>
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Posted by Stephen Sprunk on June 17, 2006, 4:13 pm
If you were Registered and logged in, you could reply and use other advanced thread options > If you create a VOIP session using SIP, will it continue to use more
> bandwidth than H323?
>
> How much more will it use with g.711 ulaw?
You are confusing signaling and media. H.323, SIP, MGCP, SCCP, etc. are all
signaling protocols, and all of them use negligible bandwidth. The real
cost is in the RTP media stream, and the particular signaling protocol you
choose has no effect on the media.
S
--
Stephen Sprunk "Stupid people surround themselves with smart
CCIE #3723 people. Smart people surround themselves with
K5SSS smart people who disagree with them." --Aaron Sorkin
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